Chapter 2.1, Problem 1P

Interpretation Introduction

a) Li or H

Interpretation:

The more electronegative element among Li and H is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative Li or H.

Interpretation Introduction

b) B or Be

Interpretation:

The more electronegative element among B and Be is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative B or Be.

Interpretation Introduction

c) Cl or I

Interpretation:

The more electronegative element among Cl and I is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative Cl or I.

Interpretation Introduction

d) C or H

Interpretation:

The more electronegative element among C and H is to be identified.

Concept introduction:

Electronegativity is the intrinsic ability of an atom to attract the shared pair of electrons in a covalent bond. Metals on the left side of the periodic table attract electron weekly and hence have low electronegativity values. Oxygen, nitrogen and halogens on the right side of the periodic table attract electron strongly and have high electronegativity values. The position in the periodic table determines the relative values of electronegativity of elements. The electronegativity generally decreases from top to bottom and increases from left to right across the periodic table.

To determine:

Which is more electronegative C or H.